About this site
Since September 2002
Site manager information
Site name: TrekGEO
Administrator: NariNari
Address:
Record of updates
- April 5th, 2020
- The page of Glendonite of Kodo was added.
- March 29th, 2020
- The page of Axinite-(Mn) of Takanosu mine was added.
- March 22nd, 2020
- The page of Aragonite of Yoshikawa mine was added.
- March 15th, 2020
- The page of Accretionary lapilli of Iwadono hill in Saitama pref. was added.
- March 8th, 2020
- The page of Augite of Akima river in Gunma pref. was added.
- March 1st, 2020
- The page of Tremolite of Kasuga mine was added.
- February 23th, 2020
- The page of Diopside of Kasuga mine was added.
- February 16th, 2020
- The page of Actinolite of Kasuga mine was added.
- February 9th, 2020
- The page of Rumoiite and Shosanbetsuite were added in Mineral Database.
- February 2nd, 2020
- The page of liquid was added in Mineral Database.
- January 26th, 2020
- The page of amorphous was added in Mineral Database.
- January 19th, 2020
- The page of Tetrahedrite group was revised as the new nomenclature was published. The valid name of group members such as Tetrahedrite and Tennantite were changed. The Freibergite was changed to Kenoargentotetrahedrite-(Fe), and the name Freibergite is remained only as Freibergite series.
- January 12th, 2020
- The page of Sporadically disseminated was added in Mineral Database.
- January 1st, 2020
- A photograph of delta system made by a small scale analogue experiment was added.